Posts on development — Page 3

URLPattern went Baseline in late 2025, giving the platform a native, framework-free way to match and parse URLs. Here is how it works and where it earns its place.

Masonry layout is coming to CSS as grid-lanes, and Safari shipped it first. Here's how the new display value works, why it beats the JavaScript libraries, and what it fixes for keyboard users.

The Invoker Commands API lets a button declare what it controls with command and commandfor, replacing modal and popover glue code with plain HTML.

The auto-growing textarea has been a JavaScript rite of passage for years. A single CSS declaration now does the whole job, and it works on inputs and selects too.

Fallow is a Rust-native tool that maps your whole TS/JS codebase to catch dead code, duplication, and architecture drift. Here's how it fits alongside ESLint, Prettier, and agent guidelines when you're reviewing PRs you didn't write.

A walkthrough of a custom Claude Code status line that renders context and rate-limit usage as colored bars and turns your repo name into a clickable link.

The Navigation API hit Baseline in early 2026, giving SPAs a single, purpose-built place to intercept and manage routing. Here's why it finally replaces the History API.

The high-voltage variant of Grimicorn keeps every semantic role and swaps in eight electric hexes. Here's what changes, what doesn't, and the contrast tradeoff that makes neon-on-black a deliberate choice.

A practical look at scheduler.yield(), the browser API that breaks up long tasks and keeps the main thread responsive without the setTimeout penalty.